diff --git a/tests/ui/numbers-arithmetic/saturating-float-casts-wasm.stderr b/tests/ui/numbers-arithmetic/saturating-float-casts-wasm.stderr
new file mode 100644
index 00000000000..475b41388d3
--- /dev/null
+++ b/tests/ui/numbers-arithmetic/saturating-float-casts-wasm.stderr
@@ -0,0 +1,6 @@
+warning: unstable feature specified for `-Ctarget-feature`: `nontrapping-fptoint`
+   |
+   = note: this feature is not stably supported; its behavior can change in the future
+
+warning: 1 warning emitted
+